Hi guys, Thanks a lot for your contribution.
I have good news. I have been working over MRTG with the upstream (Tobias Oetiker) since last week. We already made several changes in MRTG. The good news is Tobias liked this idea (make ifref default to name) and he will approve my PR[1] soon (in few hours, I think). [1] https://github.com/oetiker/mrtg/pull/51 Have a nice day. Regards, Eriberto